Question

what do you mean by earthing of household ​

Answer 1

• Earthing means to connect electrical system to earth or soil in such a manner as it ensures an immediate discharge of electrical energy without any danger.

Purpose :

• To save human life from danger of electric shock or death.
• To protect building, machinery and appliances under fault condition.
• To ensure that all exposed conductive parts do not reach a dangerous potential.
• To provide safe path to dissipate lighting and short circuit currents.
• To maintain the line voltage constant to prevent over current or excessive voltage on the appliances or equipments.